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div_euclid, rem_euclid: clarify/extend documentation #126468

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Jun 17, 2024
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div_euclid, rem_euclid: clarify/extend documentation #126468

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10 changes: 6 additions & 4 deletions library/core/src/num/int_macros.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -2784,8 +2784,10 @@ macro_rules! int_impl {
///
/// In other words, the result is `self / rhs` rounded to the integer `q`
/// such that `self >= q * rhs`.
/// If `self > 0`, this is equal to round towards zero (the default in Rust);
/// if `self < 0`, this is equal to round towards +/- infinity.
/// If `self > 0`, this is equal to rounding towards zero (the default in Rust);
/// if `self < 0`, this is equal to rounding away from zero (towards +/- infinity).
/// If `rhs > 0`, this is equal to rounding towards -infinity;
/// if `rhs < 0`, this is equal to rounding towards +infinity.
///
/// # Panics
///
Expand Down Expand Up @@ -2823,8 +2825,8 @@ macro_rules! int_impl {
/// Calculates the least nonnegative remainder of `self (mod rhs)`.
///
/// This is done as if by the Euclidean division algorithm -- given
/// `r = self.rem_euclid(rhs)`, `self = rhs * self.div_euclid(rhs) + r`, and
/// `0 <= r < abs(rhs)`.
/// `r = self.rem_euclid(rhs)`, the result satisfies
/// `self = rhs * self.div_euclid(rhs) + r` and `0 <= r < abs(rhs)`.
///
/// # Panics
///
Expand Down
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